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125 lines
3.5 KiB
C++
125 lines
3.5 KiB
C++
// Windows/FileIO.h
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#ifndef __WINDOWS_FILE_IO_H
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#define __WINDOWS_FILE_IO_H
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#include "../Common/Types.h"
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#include "../Common/MyString.h"
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#include "Defs.h"
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namespace NWindows {
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namespace NFile {
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namespace NIO {
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/*
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struct CByHandleFileInfo
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{
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UInt64 Size;
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FILETIME CTime;
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FILETIME ATime;
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FILETIME MTime;
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DWORD Attrib;
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DWORD VolumeSerialNumber;
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DWORD NumLinks;
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UInt64 FileIndex;
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};
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*/
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class CFileBase
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{
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protected:
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HANDLE _handle;
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bool Create(CFSTR fileName, DWORD desiredAccess,
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DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes);
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public:
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#ifdef SUPPORT_DEVICE_FILE
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bool IsDeviceFile;
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bool LengthDefined;
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UInt64 Length;
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#endif
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CFileBase(): _handle(INVALID_HANDLE_VALUE) {};
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~CFileBase();
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bool Close();
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bool GetPosition(UInt64 &position) const;
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bool GetLength(UInt64 &length) const;
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bool Seek(Int64 distanceToMove, DWORD moveMethod, UInt64 &newPosition) const;
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bool Seek(UInt64 position, UInt64 &newPosition);
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bool SeekToBegin();
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bool SeekToEnd(UInt64 &newPosition);
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// bool GetFileInformation(CByHandleFileInfo &fileInfo) const;
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};
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#define IOCTL_CDROM_BASE FILE_DEVICE_CD_ROM
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#define IOCTL_CDROM_GET_DRIVE_GEOMETRY CTL_CODE(IOCTL_CDROM_BASE, 0x0013, METHOD_BUFFERED, FILE_READ_ACCESS)
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#define IOCTL_CDROM_MEDIA_REMOVAL CTL_CODE(IOCTL_CDROM_BASE, 0x0201, METHOD_BUFFERED, FILE_READ_ACCESS)
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class CInFile: public CFileBase
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{
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#ifdef SUPPORT_DEVICE_FILE
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bool DeviceIoControl(DWORD controlCode, LPVOID inBuffer, DWORD inSize,
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LPVOID outBuffer, DWORD outSize, LPDWORD bytesReturned, LPOVERLAPPED overlapped) const
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{
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return BOOLToBool(::DeviceIoControl(_handle, controlCode, inBuffer, inSize,
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outBuffer, outSize, bytesReturned, overlapped));
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}
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bool DeviceIoControl(DWORD controlCode, LPVOID inBuffer,
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DWORD inSize, LPVOID outBuffer, DWORD outSize) const
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{
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DWORD ret;
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return DeviceIoControl(controlCode, inBuffer, inSize, outBuffer, outSize, &ret, 0);
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}
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bool DeviceIoControlOut(DWORD controlCode, LPVOID outBuffer, DWORD outSize) const
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{ return DeviceIoControl(controlCode, NULL, 0, outBuffer, outSize); }
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#ifndef UNDER_CE
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bool GetGeometry(DISK_GEOMETRY *res) const
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{ return DeviceIoControlOut(IOCTL_DISK_GET_DRIVE_GEOMETRY, res, sizeof(*res)); }
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bool GetCdRomGeometry(DISK_GEOMETRY *res) const
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{ return DeviceIoControlOut(IOCTL_CDROM_GET_DRIVE_GEOMETRY, res, sizeof(*res)); }
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bool GetPartitionInfo(PARTITION_INFORMATION *res)
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{ return DeviceIoControlOut(IOCTL_DISK_GET_PARTITION_INFO, LPVOID(res), sizeof(*res)); }
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#endif
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void GetDeviceLength();
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#endif
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public:
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bool Open(CFSTR fileName, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes);
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bool OpenShared(CFSTR fileName, bool shareForWrite);
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bool Open(CFSTR fileName);
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bool Read1(void *data, UInt32 size, UInt32 &processedSize);
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bool ReadPart(void *data, UInt32 size, UInt32 &processedSize);
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bool Read(void *data, UInt32 size, UInt32 &processedSize);
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};
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class COutFile: public CFileBase
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{
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public:
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bool Open(CFSTR fileName, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes);
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bool Open(CFSTR fileName, DWORD creationDisposition);
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bool Create(CFSTR fileName, bool createAlways);
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bool SetTime(const FILETIME *cTime, const FILETIME *aTime, const FILETIME *mTime);
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bool SetMTime(const FILETIME *mTime);
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bool WritePart(const void *data, UInt32 size, UInt32 &processedSize);
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bool Write(const void *data, UInt32 size, UInt32 &processedSize);
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bool SetEndOfFile();
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bool SetLength(UInt64 length);
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};
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}}}
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#endif
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